<html>
<canvas id="canvas" width="128px" height="128px"/>
<script>
var c = document.getElementById("canvas");
var ctx = c.getContext("2d");
ctx.fillStyle = "blue";
ctx.fillRect(0,0,128,128);
ctx.font = "60px Mono bolder";
ctx.fillStyle = "white";
ctx.fillText("HLS",10,85);
</script>
</html>